<script setup>
    import {ref,computed} from 'vue'
    import {useRouter} from 'vue-router'
    import Product from '@/components/shop/Product.vue';
    import useProductStore from '@/stores/productStore.js'
    const productStore = useProductStore()
    const props = defineProps(['shopInfoName'])
    const router = useRouter()

    const cartList = computed(()=>{
        return productStore.proudctList.find(item=>item.name == props.shopInfoName)
    })

    // console.log(cartList.value);
    const shopCartCount = computed(()=>{
        if(cartList.value){
            return cartList.value.list.reduce((sum,item)=>sum+item.number,0)
        }else{
            return 0
        }
    })

    // console.log(shopCartCount.value);
    const shopCartList = computed(()=>{
        if(cartList.value){
            return cartList.value.list
        }else{
            return []
        }
    })

        // console.log(shopCartList.value);

    const isShow = ref(false)


    const checkedAll = computed({
        get(){
            return shopCartList.value.every(item=>item.checked)
        },
        set(index){
            return shopCartList.value.forEach(item => {
                item.checked = index
            });
        }

    })

    const checkShopList = computed(()=>{
        return shopCartList.value.filter(item=>item.checked == true)
    })

    const checkShopCount = computed(()=>{
        return checkShopList.value.reduce((sum,item)=>sum+item.number,0)
    })

    const checkShopPrice = computed(()=>{
        return checkShopList.value.reduce((sum,item)=>sum+item.price*item.number,0)
    })

    const orderConfirm = ()=>{
        router.push({
            path:'/orderConfirm',
            query:{
                shopName : props.shopInfoName
            }
        })
    }

    


</script>

<template>
    <div class="cart">
        <div class="cart_mask" v-if="isShow" @click="isShow = !isShow"></div>
        <div class="cart_product" v-if="isShow">
            <div class="cart_product_header" v-if="shopCartCount >0" >
                <div class="cart_product_header_allChecked">
                    <input type="checkbox" class="circle-checkbox" v-model="checkedAll"> 全选
                </div>
                <div class="cart_product_header_clear">清空购物车</div>
            </div>
            <div class="cart_product_list" v-for="item in shopCartList" :key="item.id">
                <div class="cart_product_list_item">
                    <div class="checkbox">
                        <!-- <input type="checkbox" class="circle-checkbox" :checked="item.checked" @change="changeChecked(item)" name="" id=""> -->
                        <input type="checkbox" class="circle-checkbox" v-model="item.checked">
                    </div>
                    <div class="content">
                        <Product min="min" :product="item" :shopInfoName="props.shopInfoName"/>
                    </div>
                </div>
            </div>
        </div>
        <div class="cart_check">
            <div class="cart_check_icon">
                <img src="http://www.dell-lee.com/imgs/vue3/basket.png" alt="" @click="isShow = !isShow" >
                <span class="tag">{{checkShopCount}}</span>
            </div>
            <div class="cart_check_empty" v-if="shopCartCount ==0">购物车是空的</div>
            <div class="cart_check_content" v-else>
                <div class="cart_check_content_total_price">总计 : <span class="check_content_total_price_number">￥{{checkShopPrice.toFixed(2)}}</span></div>
                <div class="cart_check_content_submit" @click="orderConfirm">结算</div>
            </div>
        </div>
    </div>
</template>

<style lang="scss" scoped>
@import "@/style/viriables.scss";
.cart {
    &_mask {
        position: absolute;
        top: 0;
        bottom: .5rem;
        left: 0;
        right: 0;
        background-color: rgba($color: #000000, $alpha: .4);
    }

    &_product {
        width: 100%;
        position: absolute;
        left: 0;
        bottom: .5rem;
        background-color: $bgColor;

        //圆形复选框
        /* 设置选中背景 */
        .circle-checkbox:checked {
            background: #1673ff;
        }

        /* 设置复选框样式 */
        .circle-checkbox {
            width: .2rem;
            height: .2rem;
            background-color: #ffffff;
            border: solid 1px $light-fontColor;
            -webkit-border-radius: 50%;
            border-radius: 50%;
            font-size: 0.8rem;
            margin: 0;
            padding: 0;
            position: relative;
            display: inline-block;
            vertical-align: top;
            cursor: default;
            -webkit-appearance: none;
            -webkit-user-select: none;
            user-select: none;
        }

        /* 设置伪类，即显现的对勾样式 */
        .circle-checkbox:checked::after {
            content: "";
            top: 5px;
            left: 4px;
            position: absolute;
            background: transparent;
            border: #fff solid 2px;
            border-top: none;
            border-right: none;
            height: 3px;
            width: 8px;
            -moz-transform: rotate(-45deg);
            -ms-transform: rotate(-45deg);
            -webkit-transform: rotate(-45deg);
            transform: rotate(-45deg);
        }

        &_header {
            padding: .18rem;
            display: flex;
            justify-content: space-between;
        }

        &_list {
            max-height: 3rem;
            overflow-y: scroll;

            &_item {
                display: flex;

                .checkbox {
                    display: flex;
                    align-items: center;
                    margin-left: .18rem;  
                }

                .content {
                    flex: 1;
                    width: 100%;
                }
            }
        }
    }

    &_check {
        width: 100%;
        height: .49rem;
        border-top: .01rem solid $content-bgColor;
        position: absolute;
        left: 0;
        bottom: 0;
        display: flex;
        // 购物车图标
        &_icon {
            width: .84rem;
            height: .49rem;
            display: flex;
            justify-content: center;
            align-items: center;
            position: relative;
            img {
                 width: .28rem;
                height: .26rem;
            }

            .tag {
                display: inline-block;
                width: .15rem;
                height: .15rem;
                border-radius: 50%;
                background-color: $hightlight-fontColor;
                color: $bgColor;
                font-size: .1rem;
                text-align: center;
                position: absolute;
                top: .05rem;
                right: .18rem;
            }
           
        }
        // 空购物车
        &_empty {
            line-height: .49rem;
        }
        // 总价
        &_content {
            flex: 1;
            display: flex;
            position: relative;
            width: 100%;

            &_total_price {
                flex: 1;
                line-height: .49rem;
                color: $hightlight-fontColor;

                &_number {
                    font-size: .18rem;
                }
            }
            &_submit {
                width: .98rem;
                height: .49rem;
                background-color: $btn-bgColor;
                color: $bgColor;
                text-align: center;
                line-height: .49rem;
            }
        }
    }
}
</style>